Lock and escutcheon



. AVV) UNITED STATES PATENT OFFICE;

RHODOLPHUS KINSLEY, OF SPRINGFIELD, MASSACHUSETTS.

LOCK AND ESCUTCI-IEON.

Specification of Letters Patent No.

To all lwhom t may concern: e

Be it known that I, RHoDoLPHUs KINSLEY, of Springfield, in the county of Hampden and State of Massachusetts, have invented a new and Improved Method of Afixing Mortise-Locks to Doors and also for Attaching the Escutcheons Thereof Without the Employment of Screws, and that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, making `a part of this v specification, in which- Figure 1, is an isometrical view of the lock, the red lines showing the door which appears transparent. Fig. 2, is a detached view of t-he escutcheon showing the inside. Fig. 3, shows a portion of the door prepared for the lock before it is inserted.

The nature of my invention consists in so constructing a lock as that it can be put into a door without mortising with a chisel simply by boring; and in fastening said lock and escutcheons in place without the use ofscrews, by which I eect a great saving in expense and perform the work much more expeditiously. y

The shell of the lock a is fo-rmed of two cylinders and has heretofore been patented by me; but to this shell a face plate b is aflixed of the same form, but of a little larger diameter than the body of the shell, but not of suflicient size to admit a screw or screws; by this form of lock and face plat-e, I am enabled to form the entire mortise 0 without the use of a chisel, another hole d is bored through the door which intersects the others at right angles, and serves for the keyhole. Behind the last named hole, van oblong one e is made, into which awooden key e is driven. This key passes through a mortise 71., in the rear end of the lock, and' firmly fastens it in its place; this key is cut 0H iiush with the face of the door, and is covered by the escutcheon.

The escutcheon i is formed in any ordi 'nary shape, but around the keyhole, there is a circular lanch k projecting on the inside, that just fits the hole al, in the door;

5,791, dated september 19, 184s.

on the. side of this Hauch are two spurs m, by which the escutcheon is fastened in the following` manner: Two small holes Z, Z, are

made, one at top, and the other'below'thej hole al, which intersects it; these receive the spurs m above-named, when the escutcheon is put on at right angles to its proper position, and then by turning it a quarter round, the two spurs take into the wood on the side of the hole d, and securely afl-lx the escutcheon without the use of screws. This, it will be perceived, requires a peculiar formation of the escutcheon by casting a lanch 0.11 its face next the door to which they are aiiixed, and projecting so as to enter the hole `formed for them, and there fastened in a mode never before ess/ayed for that purpose, and by a simple Vcontrlvance not rmaterially enhancing ktheir price, and yrendering the escutcheon, easy to attach or detach, soas to enable any person to remove it for cleaning and otherpurposes, -j

It is obviousthat the plates for the knobs, can lbe fastened in a similar manner; and the catch bolt besubstituted for the lock.- Other Having thus fully described improvements, I wish it to be understood that I do not confine myself to the exact formvof lock, or to any particular form of-ornament on `the face plate of the escutcheon. But Y What I, do claim as my invention, and des sire to secure by Letters Patent is---` y l. The face plateso formed as to be fitted by boring alone without the use of a chisel. 2. I claim also constructing the escutcheon in the manner described with' a projectingl flanch on the inside, on which are spurs, by

which the escutcheon is fastened to the door` RHoDoLPHUs xINsLEY.

Witnesses:

.IAS W. NuwcoMB, SAMUEL, BAILEY. 

